Best time to visit Lewiston

Find the best time to visit Lewiston and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Lewiston by month

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When is the best time to visit Lewiston?

The best time to visit Lewiston is June, July and August based on the following average weather conditions.

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Hours of Sunshine (daily)

Best time to visit

The weather guide for Idaho (Lewiston) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in Lewiston?

The hottest time of year in Lewiston is normally July. Expect maximum daytime temperatures to reach 31°C with moderate heat and humidity.

Which month has the most rain in Lewiston?

In terms of rainfall, January is usually the wettest month in Lewiston with 41mm on average. There are normally 11 days in January with some rain.

When is it sunniest in Lewiston?

The sunniest time of year in Lewiston is normally July with bright sunshine on average for 90% of daylight hours; that's 14 hours of sunshine per day.

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